Discussion Zen 5 Speculation (EPYC Turin and Strix Point/Granite Ridge - Ryzen 9000)

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SarahKerrigan

Senior member
Oct 12, 2014
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Does this make a difference in GB, on average.?.


I was talking of the MT score, to get back on topic Strix Point@30W score about 13600 pts in the less than ideal GB 6.

Congrats! You're comparing a machine with 5 or 6 P-cores and 6 E-cores to one with a minimum of ten P-cores and 4 E-cores and declaring there's no way the latter has higher MT perf.

Completely unrelated, to anyone following along who wants to improve their reading comprehension, there are a lot of great resources for that these days.
 

Nothingness

Diamond Member
Jul 3, 2013
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Congrats! You're comparing a machine with 5 or 6 P-cores and 6 E-cores to one with a minimum of ten P-cores and 4 E-cores and declaring there's no way the latter has higher MT perf.

Completely unrelated, to anyone following along who wants to improve their reading comprehension, there are a lot of great resources for that these days.
Ha missed that these were different SoC. Too many variables here.
 

DAPUNISHER

Super Moderator CPU Forum Mod and Elite Member
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There have been a few reports about the amount of posts referencing Apple in this thread. But as there are products out and being reviewed, compare and contrast to competition is fair game. Just stick with the facts and stats and skip the flamebait and it's all good.

Reminder: Everyone be cool and remember the first rule - attack the post and not the poster.

Mod DAPUNISHER
 

DAPUNISHER

Super Moderator CPU Forum Mod and Elite Member
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To guys dirtying the thread with this irrelevant apple yada yada thing, welcome to my ignore list! Now Zen 5 thread is clean
That's great advice for those that don't want to read that stuff.

These products do not exist in a vacuum, so you have to accept there will be compare and contrast. But as you have demonstrated, the ignore feature is a great tool for curating your experience here.
 
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MarkPost

Senior member
Mar 1, 2017
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That's great advice for those that don't want to read that stuff.

These products do not exist in a vacuum, so you have to accept there will be compare and contrast. But as you have demonstrated, the ignore feature is a great tool for curating your experience here.
yeah, thing is Apple is just a niche, not a competitor for the products I buy. Apple is not an option nor alternative to me.
 

poke01

Platinum Member
Mar 8, 2022
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yeah, thing is Apple is just a niche, not a competitor for the products I buy. Apple is not an option nor alternative to me.
That’s not the point tho, we are talking about Strix Point which is mobile and Apple competes there. If it was desktop yes Apple is irrelevant there. It’s just a chip and architecture comparison.

This is also true of AMD themselves, they compare with Apple on mobile and ignore them on desktop. All this nonsense wouldn’t have come about if the discussion was only about the chips and how different architectures compared but instead we trailed off.
 
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Nothingness

Diamond Member
Jul 3, 2013
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That’s not the point tho, we are talking about Strix Point which is mobile and Apple competes there. If it was desktop yes Apple is irrelevant there. It’s just a chip and architecture comparison.

This is also true of AMD themselves, they compare with Apple on mobile and ignore them on desktop. All this nonsense wouldn’t have come about if the discussion was only about the chips and how different architectures compared but instead we trailed off.
Yes we have gone a bit far, I admit and apologize. But there still was some information to pick and little trolling. Wearing blinder is a poor way to get fair information.

@fastandfurious6 We started discussing the link you posted in the Zen5 technical thread.
 
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Mopetar

Diamond Member
Jan 31, 2011
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Man, the cross-CCX penalty is 3 times higher than that of Renoir. It's atrocious.

How much does this matter outside of applications or the OS not being aware of the P/E cores?

The whole point of having E cores is that they handle stuff that doesn't need to run on the P cores or see much interaction with them.

Ideally AMD will jump up to 6 P-cores in future APUs so that there's less need to utilize their c-cores when the regular cores become saturated.

Think about it. AMD is becoming a software company. What if they get AI to write their compilers and some other widely used open source libraries to make the maximum use of their architectures?

I distinctly remember a time when I was 7 years old and dropped such a "what if" on one of my cousins, who promptly responded with "What if monkeys flew out of my butt?"

I wouldn't trust AI to code anything that hasn't been posted at least a dozen times to stack overflow. Even then I'd be dubious about the solution until it's fully tested.
 

MarkPost

Senior member
Mar 1, 2017
299
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That’s not the point tho, we are talking about Strix Point which is mobile and Apple competes there. If it was desktop yes Apple is irrelevant there. It’s just a chip and architecture comparison.

This is also true of AMD themselves, they compare with Apple on mobile and ignore them on desktop. All this nonsense wouldn’t have come about if the discussion was only about the chips and how different architectures compared but instead we trailed off.
oh yes, its the point to me. Apple and its closed ecosystem isnt for me, at all. So, it cant care me less, as doesnt care to most people btw.
 

soresu

Diamond Member
Dec 19, 2014
3,191
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Who enabled the modern ARM push? Single handedly Apple
Depends entirely what you mean by "modern".

If you mean smartphones then ARM themselves did with Cortex A8, which was clearly in development before Intel turned down Apple for a smartphone SoC partnership.

ARM was on a consistent upwards trajectory for years - Apple may have funded a speedrun, but ARM were the ones that started it in the first place.
 

soresu

Diamond Member
Dec 19, 2014
3,191
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AVX-512 is also a failure because it's based on the Old Intel ideology where they can make general purpose CPUs fast enough to stem the tide of GPUs forever
AVX512 is a failure because its support has been a fragmented mess from the beginning.

AMD's slow uptake of it was only to be expected because Intel doesn't share internal plans with their competitor.

That said, fragmentation between Intel's own various SKUs was a vastly worse problem, ending it entirely in client markets when later steppings of Alder Lake cutting Golden Cove's support for it in microcode just drop kicked the feature into the backrooms.

I wouldn't be surprised if the E core team stays away from AVX10.1/10.2 as long as possible.
Literally the entire point of it is to fix AVX support in heterogeneous CPU client SoCs.

Any delay will be engineering related on software (compiler/code libraries) and hardware sides to accomodate it (the 256 bit part has many instructions that AVX2 lacks to bring 256 bit spec to parity with AVX512).
 
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mostwanted002

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Jun 16, 2023
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oh yes, its the point to me. Apple and its closed ecosystem isnt for me, at all. So, it cant care me less, as doesnt care to most people btw.
Pretty much this. Idk why are they so obsessed with "muhhh Apple did it better"

> cant even run the majority of the meaningful x86 applications other than the ones that have been ported to apple silicon
> completely different targets of applications and instructions
> No meaningful gains after M1 (except the fancy marketing graph that they put up)
 

SarahKerrigan

Senior member
Oct 12, 2014
735
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Pretty much this. Idk why are they so obsessed with "muhhh Apple did it better"

Because I'm an industry professional and I keep an eye on these things. I literally don't own a single Apple product. My daily driver is a Framework with a midrange Tiger Lake in it. In this very thread, I've said a bunch of things about how Zen5 is a solid gen when others were throwing around "ass" and "BD2.0" as descriptors of it. I'm not going to pretend that an excellent core isn't excellent, though.

> cant even run the majority of the meaningful x86 applications other than the ones that have been ported to apple silicon

Compat layer. x86 can't run Z apps or PPC apps or SPARC apps. Different ISAs exist: film at 11.

> completely different targets of applications and instructions

Is this more "x86 is secretly way ahead at REAL applications" stuff?

> No meaningful gains after M1 (except the fancy marketing graph that they put up)

M1->M4 is +38% clock alone, plus incremental iso-clock improvements. What's peak x86 ST done in the same time?
 
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gdansk

Platinum Member
Feb 8, 2011
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I think M4 triumphalism is a bit early. Of course it'll be even faster when it shows up in MacBooks (presumably this fall). But that hasn't happened yet. I can understand why they're not swayed at all by a processor as of yet only in iPads. When people buy their laptops for the back to school season is the M3 really that much better than HX 370? I'm not convinced so.

And if my math is correct AMD is actually slightly closer to Apple now than they were in the fall of 2020.
 

SarahKerrigan

Senior member
Oct 12, 2014
735
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I think M4 triumphalism is a bit early. Of course it'll be even faster when it shows up in MacBooks (presumably this fall). But that hasn't happened yet. I can understand why they're not swayed at all by a processor as of yet only in iPads.

And if my math is correct AMD is actually slightly closer to Apple now than they were in the fall of 2020.

Okay. Point stands even with M3. That's +28% since M1, plus small-moderate iso clock gains - hardly "no meaningful gains"
 
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